[Surface tension of the lung and biochemical findings of surface-active substances of the lung].
D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D006801:Humans; D066298:In Vitro Techniques; D007231:Infant, Newborn; D008168:Lung / Q000502:physiology*; D012119:Respiration / Q000502:physiology*; D013500:Surface Tension